Home / 13,971.57-20,955.56-4,609.27

Finding the Fourth Proportional to 13,971.57, 20,955.56 and 4,609.27

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Solution

The fourth proportional to 13,971.57, 20,955.56 and 4,609.27 is: 6,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.57 : 20,955.56 = 4,609.27 : x
  2. Step 2: Convert to fraction form
    13,971.57/20,955.56 = 4,609.27/x
  3. Step 3: Cross multiply
    13,971.57x = 20,955.56 × 4,609.27
  4. Step 4: Simplify right side
    13,971.57x = 96,589,793.18
  5. Step 5: Solve for x
    x = 96,589,793.18/13,971.57
  6. Step 6: Final answer
    x = 6,913.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.